CN211955143U - Full-automatic double-ring infiltration measuring device - Google Patents
Full-automatic double-ring infiltration measuring device Download PDFInfo
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- CN211955143U CN211955143U CN202020715876.5U CN202020715876U CN211955143U CN 211955143 U CN211955143 U CN 211955143U CN 202020715876 U CN202020715876 U CN 202020715876U CN 211955143 U CN211955143 U CN 211955143U
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Abstract
The utility model provides a full-automatic double-ring infiltration measuring device, which comprises an infiltration inner ring, an infiltration outer ring, an integrated measurement and control unit and a water storage tank; the infiltration inner ring and the infiltration outer ring are concentrically arranged in the soil to be measured; a water level gauge is arranged on the inner wall of the infiltration inner ring; the integrated measurement and control unit comprises a peristaltic pump, a flow sensor and a microcontroller, wherein a water inlet of the peristaltic pump is connected with the water storage tank, and a water outlet of the peristaltic pump is connected with the infiltration inner ring; the flow sensor is used for measuring the infiltration amount of the infiltration inner ring; the microcontroller is connected with the peristaltic pump, the flow sensor and the water level meter; the water storage tank is connected with the infiltration outer ring and is used for supplying water to the infiltration outer ring. The utility model provides a device can be used to go into to ooze process automatic determination to soil all-weather constant water level, and measurement accuracy is high, and measured data ability automatic storage need not the computer and gathers on the spot, and the device encapsulation is fixed, realizes portable, the purpose of easy installation, can adapt to various meteorological operating modes.
Description
Technical Field
The utility model belongs to the technical field of irrigate drainage engineering, concretely relates to full-automatic dicyclo infiltration survey device.
Background
The double-ring infiltration instrument is a common experimental device used for measuring the infiltration rate of water infiltrating into soil and further calculating the vertical permeability coefficient of the soil. The permeation rate refers to the amount of water that permeates per unit surface area per unit time. The double rings are generally two concentric rings, the inner ring controls the test area, the outer ring ensures that the solution in the inner ring vertically infiltrates to further reduce the lateral seepage, and when the vertical seepage flows to the edge, the outer ring of the infiltration instrument can play a role in isolation. Since the water in the inner ring flows vertically, the measurement is limited to the inner ring, and the infiltration rate can be calculated by the measurement result and Darcy's law. The utilization of water resources and soil infiltration in field irrigation are important research contents, and the infiltration rates of different soils are different, so that the method needs to determine the infiltration rates of different soils and combine other agricultural data to better serve agriculture.
To obtain satisfactory measurement results, the following factors that may affect the measurement must be considered: surface vegetation, compaction of the soil, soil temperature, and soil stratification (stratum). The best measurement results are obtained from the "field water capacity" of the soil, and in the prior art, the double-ring infiltration test is mainly divided into two types: one is to use a Mariotte bottle to maintain the constant head of the inner ring and the outer ring, and to convert the infiltration amount by manually reading the scales of the Mariotte bottle, firstly, the double rings are put in a test place, and the double rings are pressed by two hands to be put in soil or knocked by an iron hammer to ensure that the lower parts of the double rings uniformly enter the soil; then, simultaneously supplying water to the inner ring and the outer ring by using a Mariotte bottle, and keeping the same water level unchanged; the test time was then recorded using a stopwatch, along with the change in the corresponding water level of the Mariotte bottle. The other method is to manually add water to the inner ring and the outer ring to keep the water head constant, and the water volume added to the inner ring is read to convert the infiltration amount. However, the diameter of the inner ring is the same as the area of the water supply surface, the water surface fluctuation is difficult to observe, the water is not uniform, the water level is not obviously reduced and the like, so that a device for measuring the soil infiltration more accurately is needed.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a full-automatic dicyclo infiltrates survey device saves artifical observation reading and record, realizes long-time automatic operation and count in all weather, can solve among the prior art simultaneously that the surface of water fluctuation is difficult to observe, water is inhomogeneous, the water level decline obviously leads to the inaccurate problem of infiltration volume measurement.
In order to achieve the above object, the present invention provides the following technical solutions:
a full-automatic double-ring infiltration measuring device comprises an infiltration inner ring, an infiltration outer ring, an integrated measurement and control unit and a water storage tank;
the infiltration inner ring and the infiltration outer ring are ring bodies with inner cavities, and the infiltration inner ring and the infiltration outer ring are concentrically arranged in soil to be detected; a water level gauge is arranged on the inner wall of the infiltration inner ring and used for monitoring the water level of the infiltration inner ring;
the integrated measurement and control unit comprises a peristaltic pump, a flow sensor and a microcontroller, wherein a water inlet of the peristaltic pump is connected with the water storage tank, and a water outlet of the peristaltic pump is connected with the infiltration inner ring and used for supplementing water to the infiltration inner ring; the flow sensor is used for measuring the infiltration amount of the infiltration inner ring; the microcontroller is connected with the peristaltic pump, the flow sensor and the water level meter and is used for ensuring the continuous constant water level automatic water supply and metering of the infiltration inner ring;
the water storage tank is connected with the infiltration outer ring and is used for supplying water to the infiltration outer ring.
As a preferred scheme, the annular wall of the infiltration inner ring is provided with an inner ring water inlet, and the inner ring water inlet is communicated with the water outlet of the peristaltic pump through a first hose; a water inlet of the peristaltic pump is communicated with the water storage tank through a third hose;
and the annular wall of the infiltration outer ring is provided with an outer ring water inlet which is communicated with the water storage tank through a second hose.
In the fully automatic dual-ring infiltration measuring device, preferably, the height of the water inlet of the inner ring is lower than the height of the water level gauge.
The fully automatic double-ring infiltration measuring device is characterized in that a water supply valve is arranged on the side wall of the water storage tank, and the water storage tank supplies water to the infiltration outer ring and the peristaltic pump through the water supply valve.
The full-automatic double-ring infiltration measuring device is characterized in that the inner wall of the infiltration outer ring is provided with a ball float valve, and the water storage tank automatically supplies and cuts off water for the infiltration outer ring through the automatic opening and closing of the ball float valve.
In the fully automatic dual-ring infiltration measuring device, preferably, the height of the ball float valve is the same as the height of the water inlet of the outer ring.
In the fully automatic dual-ring infiltration measuring device, preferably, the flow sensor is disposed on the first hose and is used for measuring the infiltration amount of the infiltration inner ring;
the microcontroller is respectively connected with the peristaltic pump, the flow sensor and the water level meter through data lines, and the acquired data are automatically and accurately stored in the microcontroller.
As a preferred scheme, the integrated measurement and control unit further comprises a battery, and the battery is connected with the peristaltic pump and the microcontroller and is used for supplying power to the peristaltic pump and the microcontroller.
Preferably, the fully automatic dual ring infiltration assay device according to any of the above claims, wherein said infiltration inner ring and said infiltration outer ring have the same height.
As a preferred scheme, the infiltration inner ring and the infiltration outer ring are both metal cylinders without bottoms and covers; the lower edge of the infiltration inner ring and the lower edge of the infiltration outer ring are provided with beveling edges, and the beveling edges are beneficial to cutting the infiltration inner ring and the infiltration outer ring into soil to be detected.
Compared with the closest prior art, the utility model provides a technical scheme has following excellent effect:
the full-automatic double-ring infiltration measuring device can be used for automatically measuring the all-weather constant water level infiltration process of soil, and can still keep higher measuring precision under the condition of lower infiltration speed; the measured data can be automatically stored, and the field does not need to be acquired by a computer; the water storage tank can be replenished with water at any time while supplying water, and the measurement of the infiltration amount of water in the soil is not influenced.
The utility model provides an infiltrate inner ring's water level and adopt the fluviograph to carry out automatic control, and the water level of infiltrating the outer loop adopts the ball-cock assembly to realize automatic moisturizing, supplies water the measurement to infiltrating the inner ring through peristaltic pump and flow sensor, through being connected of microcontroller and peristaltic pump, flow sensor and fluviograph, ensures to infiltrate the automatic water supply of continuous constant water level and measurement of inner ring, and flow sensor stores the data of gathering in microcontroller.
The utility model provides a whole device can encapsulate fixedly, realizes the purpose portable, easy installation, can adapt to various meteorological operating condition, and the device can irritate row management and hydrology, environment, ecological field wide application at hydraulic engineering, agricultural.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic structural view of the automatic double-ring infiltration measuring device of the present invention.
In the figure: 1. infiltrating the inner ring; 101. a water level gauge; 102. an inner ring water inlet; 2. an infiltration outer ring; 201. a float valve; 202. an outer ring water inlet; 3. a water storage tank; 4. a peristaltic pump; 5. a flow sensor; 6. a microcontroller; 7. a battery; 801. a first hose; 802. a second hose; 803. a third hose; 9. and (5) soil to be detected.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, according to the embodiment of the utility model, a full-automatic double-ring infiltration determination device is provided, the utility model provides an in infiltration inner ring 1 and infiltration outer ring 2 set up and the soil that awaits measuring, supply water for infiltration inner ring 1 with storage water tank 3 through peristaltic pump 4, install fluviograph 101 at the inner wall of infiltration inner ring 1, adopt fluviograph 101 to carry out automatic control to the water level of infiltration inner ring 1, supply water measurement to infiltration inner ring 1 through peristaltic pump 4 and flow sensor 5, be connected peristaltic pump 4, flow sensor 5 and fluviograph 101 and microcontroller 6 through the data line, be used for guaranteeing to infiltrate the continuous constant water level automatic water supply and the measurement of inner ring 1, flow sensor 5 stores the data of gathering in microcontroller 6; the inner wall of the infiltration outer ring 2 is provided with a float valve 201, the water storage tank 3 supplies water for the infiltration outer ring 2, the automatic water supply and water cut-off of the infiltration outer ring 2 are realized through the automatic opening and closing of the float valve 201, the whole infiltration determination process is full-automatic, the device can be used for automatically determining the all-weather constant water level infiltration process of soil, and higher measurement precision can be still kept under the condition of lower infiltration rate; the measured data can be automatically stored, and the field does not need to be acquired by a computer; the water storage tank 3 can replenish water to the water storage tank 3 at any time while supplying water, and the measurement of the infiltration amount of water in soil is not influenced.
The utility model provides a full-automatic dicyclo infiltration survey device, including infiltration inner ring 1, infiltration outer loop 2, integrated observing and controlling unit and storage water tank 3.
The infiltration inner ring 1 and the infiltration outer ring 2 are both ring bodies with internal cavities, and the infiltration inner ring 1 and the infiltration outer ring 2 are concentrically arranged in soil 9 to be tested; a water level gauge 101 is arranged on the inner wall of the infiltration inner ring 1, and the water level gauge 101 is used for monitoring the water level of the infiltration inner ring 1. The water level gauge 101 monitors the water level change of the infiltration inner ring 1, then transmits the water level change information to the microcontroller 6, and the microcontroller 6 starts the peristaltic pump 4 to automatically supplement water to the infiltration inner ring 1 through the peristaltic pump 4.
In the specific embodiment of the utility model, the ring wall of the infiltration inner ring 1 is provided with an inner ring water inlet 102, and the inner ring water inlet 102 is communicated with the water outlet of the peristaltic pump 4 through a first hose 801; the water inlet of the peristaltic pump 4 is communicated with the water storage tank 3 through a third hose 803; the wall of the infiltration outer ring 2 is provided with an outer ring water inlet 202, and the outer ring water inlet 202 is communicated with the water storage tank 3 through a second hose 802.
In the embodiment of the present invention, the height of the inner ring water inlet 102 is lower than the height of the water level gauge 101. Wherein, the height of the water level gauge 101 can be freely adjusted, the height of the water level gauge 101 is slightly higher than the water inlet 102 of the inner ring, and in the process of infiltration measurement, the height of the water level of the controlled infiltration inner ring 1 and the water level of the infiltration outer ring 2 are ensured to be consistent.
The embodiment of the utility model provides an in, the inner wall that infiltrates outer loop 2 is provided with ball-cock assembly 201, and storage water tank 3 opens and close for infiltrating outer loop 2 automatic water supply and cutting off the water supply through ball-cock assembly 201's automation. In the process of automatic water supply of the infiltration outer ring 2, the infiltration outer ring 2 always maintains the set water level height.
In the embodiment of the present invention, the height of the float valve 201 is consistent with the height of the outer ring water inlet 202.
The integrated measurement and control unit comprises a peristaltic pump 4, a flow sensor 5 and a microcontroller 6, wherein a water inlet of the peristaltic pump 4 is connected with the water storage tank 3, and a water outlet of the peristaltic pump 4 is connected with the infiltration inner ring 1 and used for supplementing water to the infiltration inner ring 1; the flow sensor 5 is used for measuring the infiltration amount of the infiltration inner ring 1; the microcontroller 6 is connected with the peristaltic pump 4, the flow sensor 5 and the water level gauge 101, and is used for ensuring the continuous water level-fixing automatic water supply and metering of the infiltration inner ring 1.
In the embodiment of the present invention, the flow sensor 5 is disposed on the first hose 801 for measuring the infiltration amount of the infiltration inner ring 1. The flow sensor 5 is more accurate in the process of measuring the infiltration amount, and can still keep higher measurement accuracy under the condition of lower infiltration rate.
The microcontroller 6 is respectively connected with the peristaltic pump 4, the flow sensor 5 and the water level meter 101 through data lines, and the acquired data are automatically and accurately stored in the microcontroller 6.
In practical application, the peristaltic pump 4 is adopted for supplying water to the infiltration inner ring 1, the flow sensor 5 is adopted for measuring water quantity, the water level meter 101 is adopted for monitoring water level, and the three are uniformly controlled by the microcontroller 6, so that continuous constant water level automatic water supply and measurement of the infiltration inner ring 1 are guaranteed.
In the specific embodiment of the utility model, the integrated measurement and control unit further comprises a battery 7, the battery 7 is connected with the peristaltic pump 4 and the microcontroller 6 and is used for supplying power to the peristaltic pump 4 and the microcontroller 6; preferably, the battery 7 is a 24V dc rechargeable battery 7.
The water storage tank 3 is connected with the infiltration outer ring 2 and is used for supplying water for the infiltration outer ring 2.
In the embodiment of the utility model, the lateral wall of the water storage tank 3 is provided with the water supply valve, and the water storage tank 3 supplies water for the infiltration outer ring 2 and the peristaltic pump 4 through the water supply valve. In a specific embodiment, the water supply valve is closed first, and the water tank 3 is filled with water, and the water supply valve is opened when the infiltration measurement is started.
In the embodiment of the present invention, the infiltration inner ring 1 and the infiltration outer ring 2 have the same height.
In the specific embodiment of the utility model, the infiltration inner ring 1 and the infiltration outer ring 2 are metal cylinders without bottoms and covers; the lower edges of the infiltration inner ring 1 and the infiltration outer ring 2 are provided with beveling cutting edges which are beneficial to cutting the infiltration inner ring 1 and the infiltration outer ring 2 into the soil 9 to be measured.
In practical application, the infiltration inner ring 1 and the infiltration outer ring 2 are both ring bodies with internal cavities, the infiltration inner ring 1 and the infiltration outer ring 2 are completely independent without intermediate connection, and the infiltration inner ring 1 and the infiltration outer ring 2 are concentrically arranged; the diameter of the infiltration inner ring 1 is 30-50 cm (such as 30cm, 32cm, 34cm, 36cm, 38cm, 40cm, 42cm, 44cm, 46cm, 48cm and 50cm), the diameter of the infiltration outer ring 2 is 45-80 cm (such as 45cm, 50cm, 55cm, 60cm, 65cm, 70cm, 75cm and 80cm), the heights of the infiltration inner ring 1 and the infiltration outer ring 2 are the same, and the heights are 30-45 cm (such as 30cm, 31cm, 32cm, 33cm, 34cm, 35cm, 36cm, 37cm, 38cm, 39cm, 40cm, 41cm, 42cm, 43cm, 44cm and 45 cm); the lower edge of the infiltration inner ring 1 and the infiltration outer ring 2 is provided with a beveling edge, the beveling edge is favorable for cutting the infiltration inner ring 1 and the infiltration outer ring 2 into the soil 9 to be measured, before infiltration measurement, the infiltration inner ring 1 and the infiltration outer ring 2 are respectively cut into the soil 9 to be measured by 10-15 cm and are concentrically arranged in the soil 9 to be measured.
When using the utility model provides a full-automatic dicyclo infiltration survey device, concrete operating procedure is as follows:
firstly, concentrically placing an infiltration inner ring 1 and an infiltration outer ring 2 on a soil 9 layer to be detected, and respectively cutting the infiltration inner ring 1 and the infiltration outer ring 2 into the soil 9 to be detected by a certain depth by using tools such as a hammer.
And step two, closing the water supply valve, placing the water storage tank 3 filled with water beside the infiltration outer ring 2, connecting the water supply valve with the outer ring water inlet 202 of the infiltration outer ring 2 through a second hose 802, and connecting the water supply valve with the water inlet of the peristaltic pump 4 through a third hose 803.
And step three, fixing the float valve 201 on the inner wall of the infiltration outer ring 2, wherein the height of the float valve is consistent with that of the outer ring water inlet 202, fixing the water level meter 101 on the inner wall of the infiltration inner ring 1, and the position of the water level meter 101 is slightly higher than that of the inner ring water inlet 102.
And step four, connecting the microcontroller 6 with the peristaltic pump 4, the flow sensor 5 and the water level meter 101 through data lines, and connecting the battery 7 with the microcontroller 6 and the peristaltic pump 4.
And step five, opening a water supply valve of the water storage tank 3, starting to supply water to the infiltration outer ring 2 and the peristaltic pump 4, enabling the infiltration outer ring 2 to be supplied with water from the water storage tank 3 through automatic opening and closing of a float valve 201, maintaining the set water level, monitoring the water level of the infiltration inner ring 1 through a water level meter 101, when the infiltration inner ring 1 needs water supplement, automatically supplementing water to the infiltration inner ring 1 through the peristaltic pump 4, measuring the water supplement amount through a flow sensor 5, finally storing the measuring result in the microcontroller 6, and supplementing water to the water storage tank 3 at any time in the whole infiltration process.
To sum up, the full-automatic double-ring infiltration measuring device in the utility model comprises an infiltration inner ring 1, an infiltration outer ring 2, an integrated measurement and control unit and a water storage tank 3, wherein the water level of the infiltration outer ring 2 is controlled by a float valve 201 and directly supplied by the water storage tank 3, and the water level of the infiltration inner ring 1 is controlled by a water level gauge 101; the integrated measurement and control unit comprises a peristaltic pump 4, a flow sensor 5, a microcontroller 6 and a battery 7; this infiltration survey device can be used to the all-weather automatic determination of open-air soil moisture infiltration process, still can keep higher measurement accuracy under the lower condition of infiltration rate, measured data can realize automatic storage, the scene need not the computer and gathers, and storage water tank 3 can carry out the moisturizing at any time and do not influence the infiltration survey in the water supply, whole infiltration survey device can encapsulate fixedly, realize portablely, the purpose of easy installation, can adapt to various meteorological conditions, the device can be at hydraulic engineering, agricultural is irritated and is arranged management and hydrology, the environment, ecological field wide application.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the following claims are intended to cover all modifications, equivalents, and improvements falling within the spirit and principles of the present invention.
Claims (10)
1. A full-automatic double-ring infiltration measuring device is characterized by comprising an infiltration inner ring, an infiltration outer ring, an integrated measurement and control unit and a water storage tank;
the infiltration inner ring and the infiltration outer ring are ring bodies with inner cavities, and the infiltration inner ring and the infiltration outer ring are concentrically arranged in soil to be detected; a water level gauge is arranged on the inner wall of the infiltration inner ring and used for monitoring the water level of the infiltration inner ring;
the integrated measurement and control unit comprises a peristaltic pump, a flow sensor and a microcontroller, wherein a water inlet of the peristaltic pump is connected with the water storage tank, and a water outlet of the peristaltic pump is connected with the infiltration inner ring and used for supplementing water to the infiltration inner ring; the flow sensor is used for measuring the infiltration amount of the infiltration inner ring; the microcontroller is connected with the peristaltic pump, the flow sensor and the water level meter and is used for ensuring the continuous constant water level automatic water supply and metering of the infiltration inner ring;
the water storage tank is connected with the infiltration outer ring and is used for supplying water to the infiltration outer ring.
2. The fully automatic dual ring infiltration measurement device of claim 1, wherein the wall of the infiltration inner ring is provided with an inner ring water inlet, and the inner ring water inlet is communicated with the water outlet of the peristaltic pump through a first hose; a water inlet of the peristaltic pump is communicated with the water storage tank through a third hose;
and the annular wall of the infiltration outer ring is provided with an outer ring water inlet which is communicated with the water storage tank through a second hose.
3. The fully automatic dual ring infiltration measurement device of claim 2, wherein the height of the water inlet of the inner ring is lower than the height of the water level gauge.
4. The fully automatic dual ring infiltration assay device of claim 2, wherein a water supply valve is mounted to a sidewall of said water storage tank, said water storage tank supplying water to said infiltration outer ring and peristaltic pump through said water supply valve.
5. The full-automatic dual-ring infiltration measuring device of claim 2, wherein the inner wall of the infiltration outer ring is provided with a ball float valve, and the water storage tank automatically supplies and cuts off water to the infiltration outer ring through the automatic opening and closing of the ball float valve.
6. The fully automatic dual ring infiltration assay device of claim 5, wherein the float valve has a height that coincides with the height of the outer ring water inlet.
7. The fully automatic dual ring infiltration measurement device of claim 2, wherein said flow sensor is disposed on said first hose for measuring the amount of infiltration of said infiltration inner ring;
the microcontroller is respectively connected with the peristaltic pump, the flow sensor and the water level meter through data lines, and the acquired data are automatically and accurately stored in the microcontroller.
8. The fully automatic dual ring infiltration assay device of claim 7, wherein said integrated measurement and control unit further comprises a battery connected to said peristaltic pump and microcontroller for powering said peristaltic pump and microcontroller.
9. The fully automatic dual ring infiltration assay device of any of claims 1 to 8, wherein the infiltration inner ring and the infiltration outer ring have the same height.
10. The fully automatic dual ring infiltration assay device of claim 9, wherein said infiltration inner ring and said infiltration outer ring are both bottomless and coverless metal cylinders; the lower edge of the infiltration inner ring and the lower edge of the infiltration outer ring are provided with beveling edges, and the beveling edges are beneficial to cutting the infiltration inner ring and the infiltration outer ring into soil to be detected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020715876.5U CN211955143U (en) | 2020-04-30 | 2020-04-30 | Full-automatic double-ring infiltration measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020715876.5U CN211955143U (en) | 2020-04-30 | 2020-04-30 | Full-automatic double-ring infiltration measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630122A (en) * | 2020-12-01 | 2021-04-09 | 重庆泓源渗滤取水科技有限公司 | Infiltration instrument for testing vertical infiltration speeds of different water levels and adjusting method |
| CN112797963A (en) * | 2021-01-18 | 2021-05-14 | 王春林 | Engineering cost ware for desert planting |
| CN117451593A (en) * | 2023-10-30 | 2024-01-26 | 辽宁省建筑设计研究院岩土工程有限责任公司 | Soil water seepage detection device for geotechnical engineering |
-
2020
- 2020-04-30 CN CN202020715876.5U patent/CN211955143U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630122A (en) * | 2020-12-01 | 2021-04-09 | 重庆泓源渗滤取水科技有限公司 | Infiltration instrument for testing vertical infiltration speeds of different water levels and adjusting method |
| CN112630122B (en) * | 2020-12-01 | 2024-02-09 | 重庆泓源渗滤取水科技有限公司 | Infiltration instrument for testing vertical infiltration speeds of different water levels and adjusting method |
| CN112797963A (en) * | 2021-01-18 | 2021-05-14 | 王春林 | Engineering cost ware for desert planting |
| CN117451593A (en) * | 2023-10-30 | 2024-01-26 | 辽宁省建筑设计研究院岩土工程有限责任公司 | Soil water seepage detection device for geotechnical engineering |
| CN117451593B (en) * | 2023-10-30 | 2024-04-26 | 辽宁省建筑设计研究院岩土工程有限责任公司 | Soil water seepage detection device for geotechnical engineering |
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